http://www.businessinsider.com/r-is-the-placebo-effect-in-some-peoples-genes-2015-4#ixzz3XT5HzqxX
Business Insider
The Placebo Effect Might Be Totally Misunderstood

<p style="margin-left:20px"><a href="https://www.harvardmagazine.com/2012/12/the-placebo-phenomenon " target="_blank"> <img src="https://harvardmagazine.com/sites/default/files/HM_forWebRedesign_final.png" alt="View related Harvard Magazine article" title="View related Harvard Magazine article">Read more on this topic in <span style="font-style:italic; font-weight:600;">Harvard Magazine</span></a></p>